COMETIC Head Gasket - 4.250" x .040" C10088-040

A quality head gasket is the seal that keeps combustion pressure contained and oil/coolant separate—and compromising on this critical component invites catastrophic engine failure. The COMETIC C10088-040 uses MLS (Multi-Layer Steel) construction with Load Control Embossments to distribute torque evenly across the sealing surface, reducing bore distortion and maximizing ring seal integrity for consistent power output. If you're building a high-performance engine or refreshing a tired block, this gasket delivers the durability and precision sealing demanded by forced induction, high compression, and aggressive duty cycles.

• Bore diameter: 4.250"
• Thickness: .040"
• Construction: Multi-Layer Steel (MLS)
• Core material: Uncoated stainless steel
• Outer layers: Embossed, Viton-coated both sides
• Load Control Embossments: Reduces bore distortion
• Origin: Made in the U.S.A.
• Fitment: Vehicle-specific (verify bore/thickness)